BioStacks
Best for
Ingredients (4)
Magnesium
100%Dose
100 mg
Target
100–400 mg
Form
Standard
Passionflower flower 5.5:1 extract
16%Dose
40 mg
Target
250–500 mg
Form
—
Valerian root extract
7%Dose
20 mg
Target
300–600 mg
Form
—
Calcium
50 mgTrace amount — not scored
Other Ingredients (6)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Coating (unspecified)Coating
Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Best taken in the evening
Calming herb — used in the evening.
With or without food
Space it a couple of hours from Iron and Calcium
On the label
Take two tablets up to three times daily or as directed by your healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$40.15
Pricier than 70% of 638 calcium supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.